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Project guide
Matrix Portal S3
This section of the guide covers a version of the Pixel Dust demo that runs on the Matrix Portal S3. It's made for a single 64x64 LED matrix. The Matrix Portal has an LIS3DH accelerometer on-board that is used to determine the direction of gravity within the simulation. The only assembly required is hooking up the LED panel to the Matrix Portal with the HUB75 connector and power wires.
This version uses a smaller overall display size and fewer sand particles than the Metro version. I used the 2mm pitch matrix panels, but other sizes would work fine as well.
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This code is set to work on a 64x64 pixel LED matrix only. Do not connect other sizes of displays like 32x64, etc. as it likely will not work. Different density 64x64 displays, with different pitches, in millimeters, should be fine.
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Page last edited September 25, 2026
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